A central vacuum system removes dust and allergens from the air. You still have to move the hose and attachments from room to room, but that's nothing compared to hauling the machine around the house. The system is made of tubing that runs through switch-operated wall inlets where you plug in the flexible hose. The power unit is usually installed in a closet, basement or garage. At www.beamvac.com you'll find a video of the installation process. A professional will charge $1,267 to install a central system with a power unit, tubing and two wall inlets. If you have experience with electrical and carpentry projects, you can buy the components and install the system for $800, saving 37 percent. Budget more for the hose and handle and any attachments you want.
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